| Apr 26, 2026 | Nisipeanu | ½–½ | Brkic | Round 15: Nisipeanu, Liviu-Dieter - Brkic, Ante | Sicilian Defense: Moscow Variation, Main Line | |
| Apr 25, 2026 | Fressinet | ½–½ | Nisipeanu | Round 14: Fressinet, Laurent - Nisipeanu, Liviu-Dieter | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Apr 24, 2026 | Nisipeanu | 1–0 | Neiksans | BL 2526 SF Berlin - USV TU Dresden | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Apr 19, 2026 | Berkes | ½–½ | Nisipeanu | stveit | Bogo-Indian Defense: Exchange Variation | |
| Apr 18, 2026 | Nisipeanu | 0–1 | Ragger | stveit | Italian Game: Classical Variation, Giuoco Pianissimo, with a5 | |
| Apr 17, 2026 | Erdos | ½–½ | Nisipeanu | stveit | Queen's Gambit Accepted | |
| Apr 17, 2026 | Nisipeanu | ½–½ | Huschenbeth | stveit | Petrov's Defense: Modern Attack, Center Variation | |
| Apr 16, 2026 | Harshavardhan G B | ½–½ | Nisipeanu | stveit | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 15, 2026 | Nisipeanu | ½–½ | Saric | stveit | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation | |
| Mar 1, 2026 | Nisipeanu | ½–½ | Petrov | SBL München | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Feb 28, 2026 | Idani | 1–0 | Nisipeanu | SBL München | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Feb 8, 2026 | Kosakowski | 0–1 | Nisipeanu | Deutsche Schachbundesliga 2025/2026 | King's Knight Opening: Konstantinopolsky | |
| Feb 7, 2026 | Nisipeanu | ½–½ | Wojtaszek | Deutsche Schachbundesliga 2025/2026 | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 11, 2026 | Nisipeanu | ½–½ | L'Ami | Deutsche Schach-Bundesliga | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jan 10, 2026 | Pavlidis | ½–½ | Nisipeanu | Deutsche Schach-Bundesliga | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 14, 2025 | Wagner | ½–½ | Nisipeanu | Round 5: Wagner, Dennis - Nisipeanu, Liviu-Dieter | Bogo-Indian Defense: Grünfeld Variation | |
| Dec 13, 2025 | Nisipeanu | ½–½ | Dragnev | Round 4: Nisipeanu, Liviu-Dieter - Dragnev, Valentin | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Dec 12, 2025 | Postny | ½–½ | Nisipeanu | Round 3: Postny, Evgeny - Nisipeanu, Liviu-Dieter | Queen's Indian Defense: Fianchetto Variation | |
| Dec 11, 2025 | Nisipeanu | ½–½ | Idani | Round 2: Nisipeanu, Liviu-Dieter - Idani, Pouya | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Dec 10, 2025 | Nisipeanu | ½–½ | Mons | Round 1: Nisipeanu, Liviu-Dieter - Mons, Leon | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 14, 2025 | Nisipeanu | ½–½ | Vocaturo | Round 9: Nisipeanu, Liviu-Dieter - Vocaturo, Daniele | Petrov's Defense: Modern Attack, Center Variation | |
| Oct 13, 2025 | Banusz | ½–½ | Nisipeanu | Round 8: Banusz, Tamas - Nisipeanu, Liviu-Dieter | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 12, 2025 | Nisipeanu | ½–½ | Fressinet | Round 7: Nisipeanu, Liviu-Dieter - Fressinet, Laurent | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Oct 10, 2025 | Nisipeanu | ½–½ | Chigaev | Round 6: Nisipeanu, Liviu-Dieter - Chigaev, Maksim | Italian Game: Giuoco Piano | |
| Oct 9, 2025 | Navara | ½–½ | Nisipeanu | Round 5: Navara, David - Nisipeanu, Liviu-Dieter | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Oct 7, 2025 | Nisipeanu | ½–½ | Van Foreest | Round 3: Nisipeanu, Liviu-Dieter - Van Foreest, Jorden | Sicilian Defense: Taimanov Variation, Modern Line | |
| Oct 6, 2025 | Maroroa Jones | ½–½ | Nisipeanu | Round 2: Maroroa Jones, Gawain C B - Nisipeanu, Liviu-Dieter | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 31, 2025 | Nisipeanu | 1–0 | Kraus | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 30, 2025 | Nisipeanu | 1–0 | Paszewski | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Sicilian Defense: French Variation | |
| Jul 29, 2025 | Uritsky | ½–½ | Nisipeanu | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Ruy Lopez: Closed, Bogoljubow Variation | |
| Jul 28, 2025 | Nisipeanu | 1–0 | Berin | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Queen's Pawn Game: Colle System | |
| Jul 25, 2025 | Cherniack | ½–½ | Nisipeanu | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament, part of the ACP world series | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jul 24, 2025 | Fishchuk | ½–½ | Nisipeanu | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Van Geet Opening | |
| Jul 24, 2025 | Nisipeanu | ½–½ | Finek | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 24, 2025 | Nisipeanu | 0–1 | Korobov | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jul 24, 2025 | Roshka | ½–½ | Nisipeanu | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Bogo-Indian Defense: Exchange Variation | |
| Jul 23, 2025 | Bures | 0–1 | Nisipeanu | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | King's Indian Attack: Symmetrical Defense | |
| Jul 23, 2025 | Nisipeanu | 1–0 | Alexikov | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Jul 17, 2025 | Nisipeanu | ½–½ | Donchenko | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Sicilian Defense: Moscow Variation | |
| Jul 17, 2025 | Zanan | 0–1 | Nisipeanu | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Jul 17, 2025 | Nisipeanu | 1–0 | Pisk | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 27, 2025 | Nisipeanu | ½–½ | Svane | Schachbundesliga | Italian Game: Giuoco Pianissimo, Normal | |
| Apr 25, 2025 | Laurusas | ½–½ | Nisipeanu | Schachbundesliga | Bogo-Indian Defense: Grünfeld Variation | |
| Apr 6, 2025 | Nguyen | ½–½ | Nisipeanu | Round 11: Nguyen, Thai Dai Van - Nisipeanu, Liviu-Dieter | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 5, 2025 | Nisipeanu | ½–½ | Karthik Venkataraman | Round 10: Nisipeanu, Liviu-Dieter - Karthik Venkataraman | Sicilian Defense: Moscow Variation, Main Line | |
| Apr 4, 2025 | Dragnev | ½–½ | Nisipeanu | Round 9: Dragnev, Valentin - Nisipeanu, Liviu-Dieter | Italian Game: Scotch Invitation Declined | |
| Apr 3, 2025 | Hodysh | 0–1 | Nisipeanu | Round 7: Hodysh, Yuriy - Nisipeanu, Liviu-Dieter | Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line | |
| Apr 2, 2025 | Nisipeanu | ½–½ | Saric | Round 6: Nisipeanu, Liviu-Dieter - Saric, Ivan | Sicilian Defense: Moscow Variation | |
| Mar 26, 2025 | Szpar | ½–½ | Nisipeanu | Round 11: Szpar, Milosz - Nisipeanu, Liviu-Dieter | Ruy Lopez: Closed, Anti-Marshall | |
| Mar 25, 2025 | Nisipeanu | ½–½ | Magold | Round 10: Nisipeanu, Liviu-Dieter - Magold, Filip | Queen's Indian Defense: Classical Variation, Polugaevsky Gambit | |
| Mar 24, 2025 | Malek | 1–0 | Nisipeanu | Round 9: Malek, Jan - Nisipeanu, Liviu-Dieter | Bogo-Indian Defense: Grünfeld Variation | |
| Mar 23, 2025 | Nisipeanu | ½–½ | Grandelius | Round 8: Nisipeanu, Liviu-Dieter - Grandelius, Nils | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Mar 22, 2025 | Martirosyan | ½–½ | Nisipeanu | Round 7: Martirosyan, Haik M. - Nisipeanu, Liviu-Dieter | Bogo-Indian Defense: Exchange Variation | |
| Mar 20, 2025 | Nisipeanu | ½–½ | Svane | Round 6: Nisipeanu, Liviu-Dieter - Svane, Frederik | Sicilian Defense: French Variation | |
| Mar 19, 2025 | Maksimovic | 0–1 | Nisipeanu | Round 5: Maksimovic, Bojan - Nisipeanu, Liviu-Dieter | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Mar 18, 2025 | Nisipeanu | 1–0 | Dobrikov | Round 4: Nisipeanu, Liviu-Dieter - Dobrikov, Marco | Queen's Gambit Declined: Modern Variation, Normal Line | |
| Mar 17, 2025 | Travadon | ½–½ | Nisipeanu | Round 3: Travadon, Loic - Nisipeanu, Liviu-Dieter | Caro-Kann Defense: Endgame Variation | |
| Mar 15, 2025 | Antal | ½–½ | Nisipeanu | Round 1: Antal, Hunor-Zoltan - Nisipeanu, Liviu-Dieter | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jan 12, 2025 | Dragnev | 0–1 | Nisipeanu | Schachbundesliga 2024/2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 11, 2025 | Nisipeanu | ½–½ | Petrov | Schachbundesliga 2024/2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Feb 23, 2025 | Nisipeanu | ½–½ | Lupulescu | Round 9: Nisipeanu, Liviu-Dieter - Lupulescu, Constantin | Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line | |
| Feb 22, 2025 | Coicev | 0–1 | Nisipeanu | Round 8: Coicev, Matei-Andrei - Nisipeanu, Liviu-Dieter | Philidor Defense: Lion Variation | |
| Feb 21, 2025 | Nisipeanu | 1–0 | Tanasie | Round 7: Nisipeanu, Liviu-Dieter - Tanasie, Cosmin | Benoni Defense: Semi-Benoni | |
| Feb 20, 2025 | Ignat | ½–½ | Nisipeanu | Round 6: Ignat, Matei-Marius - Nisipeanu, Liviu-Dieter | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Feb 19, 2025 | Nisipeanu | 0–1 | Serban | Round 5: Nisipeanu, Liviu-Dieter - Serban, Cristian-Stefan | Italian Game: Giuoco Pianissimo, Normal | |
| Feb 18, 2025 | Craciun | ½–½ | Nisipeanu | Round 4: Craciun, Sasha-Matei - Nisipeanu, Liviu-Dieter | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Feb 17, 2025 | Nisipeanu | ½–½ | Filip | Round 3: Nisipeanu, Liviu-Dieter - Filip, Lucian-Ioan | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Feb 16, 2025 | Gales | 0–1 | Nisipeanu | Round 2: Gales, Randi-Ioan - Nisipeanu, Liviu-Dieter | Benko Gambit Accepted: King Walk Variation | |
| Feb 15, 2025 | Nisipeanu | 1–0 | Tudoroiu | Round 1: Nisipeanu, Liviu-Dieter - Tudoroiu, Razvan-Catalin | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 21, 2024 | Hampel | ½–½ | Nisipeanu | 39th European Chess Club Cup | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Oct 20, 2024 | Nisipeanu | 1–0 | Kukk | 39th European Chess Club Cup | Modern Defense: Standard Defense | |
| Oct 13, 2024 | Nisipeanu | 1–0 | Krivoborodov | Round 5: Nisipeanu, Liviu-Dieter - Krivoborodov, Egor | Sicilian Defense: Closed | |
| Sep 21, 2024 | Nisipeanu | ½–½ | Idani | 45th FIDE Chess Olympiad | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | |
| Sep 20, 2024 | Baidetskyi | ½–½ | Nisipeanu | 45th FIDE Chess Olympiad | Scotch Game: Tartakower Variation | |
| Sep 18, 2024 | Gumularz | 0–1 | Nisipeanu | 45th FIDE Chess Olympiad | Nimzo-Indian Defense: St. Petersburg Variation | |
| Sep 16, 2024 | Aronian | ½–½ | Nisipeanu | 45th FIDE Chess Olympiad | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 15, 2024 | Nisipeanu | ½–½ | Zhalmakhanov | 45th FIDE Chess Olympiad | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 14, 2024 | Nisipeanu | 1–0 | Apol | 45th FIDE Chess Olympiad | Sicilian Defense: Modern Variations | |
| Sep 13, 2024 | Pantzar | ½–½ | Nisipeanu | 45th FIDE Chess Olympiad | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Jul 27, 2024 | Finek | 1–0 | Nisipeanu | CZECH OPEN 2024 - A - PARDUBICE OPEN | Indian Defense: Tartakower Attack | |
| Jul 26, 2024 | Nisipeanu | 1–0 | Abdulov | CZECH OPEN 2024 - A - PARDUBICE OPEN | Petrov's Defense: Nimzowitsch Attack | |
| Jul 25, 2024 | Gnojek | ½–½ | Nisipeanu | CZECH OPEN 2024 - A - PARDUBICE OPEN | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 24, 2024 | Nisipeanu | 1–0 | Stocek | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Closed, Fianchetto Variation | |
| Jul 23, 2024 | Audi Ameya | ½–½ | Nisipeanu | CZECH OPEN 2024 - A - PARDUBICE OPEN | French Defense: Winawer Variation, Advance Variation | |
| Jul 22, 2024 | Nisipeanu | ½–½ | Sorensen | CZECH OPEN 2024 - A - PARDUBICE OPEN | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 21, 2024 | Moksh Amit Doshi | 0–1 | Nisipeanu | CZECH OPEN 2024 - A - PARDUBICE OPEN | Benoni Defense | |
| Jul 20, 2024 | Nisipeanu | 1–0 | Le | CZECH OPEN 2024 - A - PARDUBICE OPEN | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Jul 19, 2024 | Zielonka | 0–1 | Nisipeanu | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 18, 2024 | Nisipeanu | ½–½ | Navara | MCR Rapid G1 | Nimzo-Indian Defense: Normal Variation, Schlechter Defense | |
| Jul 18, 2024 | Nisipeanu | 1–0 | Fishchuk | MCR Rapid G1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation | |
| Jul 18, 2024 | Nisipeanu | ½–½ | Piesik | MCR Rapid G1 | French Defense: Exchange Variation | |
| Jul 18, 2024 | Movsesian | ½–½ | Nisipeanu | MCR Rapid G1 | Catalan Opening: Open Defense, Classical Line | |
| Jul 18, 2024 | Kuegel | ½–½ | Nisipeanu | MCR Rapid G1 | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Jul 18, 2024 | Kulon | 0–1 | Nisipeanu | MCR Rapid G1 | King's Indian Defense: Makogonov Variation | |
| Jul 17, 2024 | Nisipeanu | 1–0 | Mojzis | MCR Rapid G1 | Ruy Lopez: Berlin Defense | |
| Jul 17, 2024 | Nisipeanu | 1–0 | Burdalev | MCR Rapid G1 | Ruy Lopez: Berlin Defense, l'Hermet Variation | |
| Jul 17, 2024 | Jurek | 0–1 | Nisipeanu | MCR Rapid G1 | Catalan Opening: Closed | |
| Apr 28, 2024 | Nisipeanu | ½–½ | Livaic | Bundesliga 2023/2024 | Sicilian Defense: Kan Variation, Knight Variation | |
| Apr 27, 2024 | Ivanchuk | ½–½ | Nisipeanu | Bundesliga 2023/2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 17, 2024 | Nisipeanu | ½–½ | Bluebaum | Dt. Schachbundesliga 2023/2024 | Ruy Lopez: Morphy Defense, Anderssen Variation | |